... subwoofer speakers, professional speaker 1.6"loudspeaker 2.Power:40W 3.Sensitvity:101dB 4. Impedance:4 ohm concert stage speakers, stage portable speakers ... , active stage speaker View all concert stage speakers, stage portable speakers, active ... vibration speaker, portable speaker, car speaker, jbl speakers, bluetooth speaker. Specifications:1) Model: XC-611 ...